METHOD FOR TRANSMITTING CONTROL INFORMATION AND BASE STATION, AND METHOD FOR RECEIVING CONTROL INFORMATION AND USER EQUIPMENT
First Claim
1. A method of receiving, by a user equipment, downlink data, the method comprising:
- decoding, by the user equipment, at least a first or second downlink control channel carrying downlink control information for the downlink data in a downlink subframe; and
receiving, by the user equipment, the downlink data for the user equipment in a data region of the downlink subframe based on the decoded downlink control channel,wherein the downlink subframe is divided into a common control region and the data region in a time domain,wherein the first downlink control channel is received in the common control region, and the second downlink control channel is received in a non-common control region configured within the data region, andwherein the second downlink control channel is decoded using a demodulation reference signal associated with the second downlink control channel, the demodulation reference signal being received within the non-common control region.
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Abstract
According to one aspect of the present invention, antennas or antenna nodes spaced away from each other by a predetermined distance or more are configured to be able to transmit control information of mutually different user equipment groups, thereby increasing the efficiency in the operation of control channels. In addition, according to another aspect of the present invention, a resource region for transmitting control information for an improved user equipment, which is a target of a multi-node cooperative transmission, is set differently from a resource region for transmitting control information for a legacy user equipment, thereby increasing the efficiency in the transmission of the control information for the improved user equipment.
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Citations
20 Claims
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1. A method of receiving, by a user equipment, downlink data, the method comprising:
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decoding, by the user equipment, at least a first or second downlink control channel carrying downlink control information for the downlink data in a downlink subframe; and receiving, by the user equipment, the downlink data for the user equipment in a data region of the downlink subframe based on the decoded downlink control channel, wherein the downlink subframe is divided into a common control region and the data region in a time domain, wherein the first downlink control channel is received in the common control region, and the second downlink control channel is received in a non-common control region configured within the data region, and wherein the second downlink control channel is decoded using a demodulation reference signal associated with the second downlink control channel, the demodulation reference signal being received within the non-common control region. - View Dependent Claims (2, 3, 4, 5)
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6. A user equipment for receiving downlink data, the user equipment comprising:
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a receiver; and a processor operatively connected to the receiver and configured to; decode at least a first or second downlink control channel carrying downlink control information for the downlink data in a downlink subframe; and control the receiver to receive the downlink data for the user equipment in a data region of the downlink subframe based on the decoded downlink control channel, wherein the downlink subframe is divided into a common control region and the data region in a time domain, wherein the first downlink control channel is received in the common control region, and the second downlink control channel is received in a non-common control region configured within the data region, and wherein the second downlink control channel is decoded using a demodulation reference signal associated with the second downlink control channel, the demodulation reference signal being received within the non-common control region. - View Dependent Claims (7, 8, 9, 10)
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11. A method of transmitting, by a base station, downlink data, the method comprising:
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transmitting, by the base station, at least a first or second downlink control channel carrying downlink control information for the downlink data in a downlink subframe; and transmitting, by the base station, the downlink data for a user equipment in a data region of the downlink subframe based on the transmitted downlink control channel, wherein the downlink subframe is divided into a common control region and the data region in a time domain, wherein the first downlink control channel is transmitted in the common control region and the second downlink control channel is transmitted in a non-common control region configured within the data region, and wherein the second downlink control channel is transmitted with a demodulation reference signal associated with the second downlink control channel within the non-common control region. - View Dependent Claims (12, 13, 14, 15)
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16. A base station for transmitting downlink data, the base station comprising:
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a transmitter; and a processor operatively connected to the transmitter and configured to; control the transmitter to transmit at least a first or second downlink control channel carrying downlink control information for the downlink data in a downlink subframe; and control the transmitter to transmit the downlink data for a user equipment in a data region of the downlink subframe based on the transmitted downlink control channel, wherein the downlink subframe is divided into a common control region and the data region in a time domain, wherein the first downlink control channel is transmitted in the common control region, and the second downlink control channel is transmitted in a non-common control region configured within the data region, and wherein the processor is configured to control the transmitter to transmit a demodulation reference signal associated with the second downlink control channel within the non-common control region. - View Dependent Claims (17, 18, 19, 20)
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Specification